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Finding the Fourth Proportional to 202,194.92, 303,328.07 and 69,043.98

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Solution

The fourth proportional to 202,194.92, 303,328.07 and 69,043.98 is: 103,578.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,194.92 : 303,328.07 = 69,043.98 : x
  2. Step 2: Convert to fraction form
    202,194.92/303,328.07 = 69,043.98/x
  3. Step 3: Cross multiply
    202,194.92x = 303,328.07 × 69,043.98
  4. Step 4: Simplify right side
    202,194.92x = 20,942,977,198.52
  5. Step 5: Solve for x
    x = 20,942,977,198.52/202,194.92
  6. Step 6: Final answer
    x = 103,578.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.